I Ask You to Teach Fighting Skills, but You Teach All the Dirty Tricks?

Good news: Time traveled. Bad news: Being beaten! Good news: There is a system to counterattack! Bad news: Got caught! ......... Lin Ke has traveled through time and is bound to the system. As long as he successfully spreads the kung fu concepts set by the system, he can get system bonus points, including but not limited to strength, speed, and skills! But Lin Ke soon discovered that this kung fu concept was a bit strange. [Young man, although it's cool to knock down an opponent with your fists, it's not as easy as kicking him with a sweeping kick! Come on, boy! [Young man, a person can train any part of his body to be extremely strong, but there is no way to train his eyeballs. Poke his eyes hard with your fingers, it will definitely have a miraculous effect! [Young man, remember, the power of a shit stirrer is much greater than an ordinary stick! ....... Ever since, with the support of the system concept, a school that teaches underhanded tactics in an upright manner was born!